Pith Number

pith:PJTG5TR5

pith:2003:PJTG5TR5DIUKRXLUZ7XC3XR2FW

not attested not anchored not stored refs pending

Optimal State Discrimination Using Particle Statistics

A. Ekert, N. Paunkovic, S. Bose, V. Vedral, Y. Omar

arxiv:quant-ph/0309090 v1 · 2003-09-10 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJTG5TR5DIUKRXLUZ7XC3XR2FW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:42:36.955620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a666ece3d1a28a8dd74cfee2dde3a2d889e843b855268bb7ad62740f21c5d85

Aliases

arxiv: quant-ph/0309090 · arxiv_version: quant-ph/0309090v1 · doi: 10.48550/arxiv.quant-ph/0309090 · pith_short_12: PJTG5TR5DIUK · pith_short_16: PJTG5TR5DIUKRXLU · pith_short_8: PJTG5TR5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PJTG5TR5DIUKRXLUZ7XC3XR2FW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7a666ece3d1a28a8dd74cfee2dde3a2d889e843b855268bb7ad62740f21c5d85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a9b17e22faa5481e08e495570f22611169c6844888a0accc7d88669c155dee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-09-10T18:47:33Z",
    "title_canon_sha256": "6bf1b04dbc0aeb69440481cc7f2d8b679790d95f4d1a0b3e8acf7b2c8da23013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0309090",
    "kind": "arxiv",
    "version": 1
  }
}